Vaisey, j., Eric Hewton, & Keith Norris. (1971). The costs of new educational technologies. Centro de Economic E Financas.
Style de citation Chicago (17e éd.)Vaisey, john, Eric Hewton, et Keith Norris. The Costs of New Educational Technologies. Lisboa: Centro de Economic E Financas, 1971.
Style de citation MLA (9e éd.)Vaisey, john, et al. The Costs of New Educational Technologies. Centro de Economic E Financas, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.